<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script src="./echarts(1).js"></script>

    <!-- 为 ECharts 准备一个定义了宽高的 DOM -->
    <div id="main" style="width: 600px;height:400px;"></div>
    <script type="text/javascript">
        // 1. 基于准备好的dom，初始化echarts实例
        let myChart = echarts.init(document.getElementById('main'));

        // 2. 指定图表的配置项和数据
        let option = {
            backgroundColor: '#2c343c',
            title: {
                text: 'Customized Pie',
                left: 'center',
                top: 20,
                textStyle: {
                    color: '#ccc'
                }
            },
            tooltip: {
                trigger: 'item'
            },
            visualMap: {
                show: false,
                min: 80,
                max: 600,
                inRange: {
                    colorLightness: [0, 1]
                }
            },
            series: [
                {
                    name: 'Access From',
                    type: 'pie',
                    radius: '55%',
                    center: ['50%', '50%'],
                    data: [
                        { value: 335, name: 'Direct' },
                        { value: 310, name: 'Email' },
                        { value: 274, name: 'Union Ads' },
                        { value: 235, name: 'Video Ads' },
                        { value: 400, name: 'Search Engine' }
                    ].sort(function (a, b) {
                        return a.value - b.value;
                    }),
                    roseType: 'radius',
                    label: {
                        color: 'rgba(255, 255, 255, 0.3)'
                    },
                    labelLine: {
                        lineStyle: {
                            color: 'rgba(255, 255, 255, 0.3)'
                        },
                        smooth: 0.2,
                        length: 10,
                        length2: 20
                    },
                    itemStyle: {
                        color: '#c23531',
                        shadowBlur: 200,
                        shadowColor: 'rgba(0, 0, 0, 0.5)'
                    },
                    animationType: 'scale',
                    animationEasing: 'elasticOut',
                    animationDelay: function (idx) {
                        return Math.random() * 200;
                    }
                }
            ]
        };

        // 3. 使用刚指定的配置项和数据显示图表。
        myChart.setOption(option);
    </script>
</body>

</html>